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    • 41. 发明授权
    • Wireless detection devices and wireless detection methods
    • 无线检测设备和无线检测方法
    • US09423496B2
    • 2016-08-23
    • US13787699
    • 2013-03-06
    • NATIONAL SUN YAT-SEN UNIVERSITY
    • Tzyy-Sheng HorngFu-Kang WangKang-Chun Peng
    • G01S13/04G01S13/08G01S7/41G01S13/34G01S13/88A61B5/024A61B5/08
    • G01S13/08A61B5/024A61B5/0816G01S7/415G01S13/34G01S13/888
    • A wireless detection device is provided, comprising a voltage control oscillation unit, a transceiving unit, demodulation unit and processing unit. The voltage control oscillation unit generates different oscillation signals according to analog control voltages and corresponding injection signals. The transceiving unit outputs first wireless signals to a predetermined area according to the oscillation signals and receives second wireless signals generated by reflection of the first wireless signals to generate the injection signal. The demodulation unit demodulates the oscillation signals into first voltage signals. The processing unit subtracts the corresponding analog control voltages from the first voltage signals to generate second voltage signals, and when the variation of the second voltage signals exceeds a predetermined value on a target frequency in frequency domain, the processing unit calculates a real distance between an object and the transceiving unit.
    • 提供一种无线检测装置,包括电压控制振荡单元,收发单元,解调单元和处理单元。 电压控制振荡单元根据模拟控制电压和相应的注入信号产生不同的振荡信号。 收发单元根据振荡信号将第一无线信号输出到预定区域,并接收由第一无线信号的反射产生的第二无线信号以产生注入信号。 解调单元将振荡信号解调为第一电压信号。 处理单元从第一电压信号中减去对应的模拟控制电压以产生第二电压信号,并且当第二电压信号的变化在频域中的目标频率上超过预定值时,处理单元计算一个 对象和收发单元。
    • 48. 发明授权
    • Symmetric dynamic authentication and key exchange system and method thereof
    • 对称动态认证和密钥交换系统及其方法
    • US08972734B2
    • 2015-03-03
    • US13926205
    • 2013-06-25
    • National Sun Yat-Sen University
    • Chun-I FanRuei-Hau HsuYi-Hui Lin
    • H04L9/08H04L29/06
    • H04L63/08H04L29/06H04L63/061H04L63/067
    • A symmetric dynamic authentication and key exchange system and a method thereof are provided. A client and a server obtain initial authentication information at the same time, the client generates first one-time temporary authentication information, a conference key and a standby identity identifier according to the initial authentication information, and transmits them to the server, and the server performs a dynamic authentication program. The server compares the initial authentication information of the client with the conference key to confirm an identity of the client, and then updates the initial authentication information of the server according to the first one-time temporary authentication information, and the server is enabled to have the first one-time temporary authentication information the same as that of the client, and then to generate second one-time temporary authentication information including the standby identity identifier according to the first one-time temporary authentication information and the initial authentication information.
    • 提供了一种对称动态认证和密钥交换系统及其方法。 客户机和服务器同时获取初始认证信息,客户端根据初始认证信息生成第一次临时认证信息,会议密钥和备用认证标识,并将其发送给服务器,服务器 执行动态认证程序。 服务器将客户端的初始认证信息与会议密钥进行比较,以确认客户端的身份,然后根据第一次临时认证信息更新服务器的初始认证信息,并使服务器具有 第一次临时认证信息与客户端相同,然后根据第一一次临时认证信息和初始认证信息生成包括备用身份标识符的第二一次临时认证信息。